DORMA RMZ Smoke detector, Contur design, with standby and maintenance indicators, integral power pack and optical smoke sensor for transom/lintel fixing. For activation of DORMA hold-open devices. A floating (volt-free) alarm contact and connections for further detectors and external manual release devices are provided. Can be switched to manual reset. One-piece cover. Overall height 30 mm. Approved by the German Institute for Building Technology, Berlin, for use in a hold-open system. Acceptance inspection of the system is mandatory. Model ( ) RMZ with integrated power pack. Power supply 230 V AC, operating voltage 24 V DC ( ) RMZ DCW Smoke detector without power pack for connection to DCW bus. ( ) Optional integral alarm module adding an audible signal to the visual indicator. Colour ( ) silver white, sim. to RAL ( ) 9010 ( ) 9016 ( ) stainless steel ( ) polished brass ( ) special colour (sim. to RAL) Make DORMA RMZ DORMA RMZ DCW